.w {
    width: 1200px;
    margin: 0 auto;
  }
  
  header {
    height: 84px;
    border-bottom: 2px solid #c81523;
  }
  
  .logo {
    /* 不用margin 他会塌陷 */
    padding-top: 18px;
  }
  
  .registerarea {
    height: 522px;
    border: 1px solid #ccc;
    margin-top: 20px;
  }
  
  .registerarea h3 {
    height: 42px;
    border-bottom: 1px solid #ccc;
    background-color: #ececec;
    line-height: 42px;
    padding: 0 10px;
    font-size: 18px;
    font-weight: 400;
  }
  
  .login {
    float: right;
    font-size: 14px;
  }
  
  .login a {
    color: #c81523;
  }
  
  .reg_form {
    width: 600px;
  
    margin: 50px auto 0;
  }
  
  .reg_form ul li {
    margin-bottom: 20px;
  }
  
  .reg_form ul li label {
    display: inline-block;
    width: 88px;
    text-align: right;
  }
  
  .reg_form ul li .inp {
    width: 242px;
    height: 37px;
    border: 1px solid #ccc;
  }
  
  .error {
    color: #c81523;
  }
  
  .error_icon,
  .success_icon {
    display: inline-block;
    vertical-align: middle;
    width: 20px;
    height: 20px;
    background: url(../images/error.png) no-repeat;
    margin-top: -2px;
  }
  
  .success {
    color: green;
  }
  
  .success_icon {
    background: url(../images/success.png) no-repeat;
  }
  
  .safe {
    padding-left: 170px;
  }
  
  .safe em {
    padding: 0 12px;
    color: #fff;
  }
  
  .ruo {
    background-color: #de1111;
  }
  
  .zhong {
    background-color: #40b83f;
  }
  
  .qiang {
    background-color: #f79100;
  }
  
  .agree {
    padding-left: 95px;
  }
  
  .agree input {
    vertical-align: middle;
  }
  
  .agree a {
    color: #1ba1e6;
  }
  
  .btn {
    width: 200px;
    height: 34px;
    background-color: #c81623;
    font-size: 14px;
    color: #fff;
    margin: 30px 0 0 70px;
  }
  
  .mod_copyright {
    text-align: center;
    padding-top: 20px;
  }
  
  .links {
    margin-bottom: 15px;
  }
  
  .links a {
    margin: 0 3px;
  }
  
  .copyright {
    line-height: 20px;
  }
  